It is said that a young man was about to marry a young girl, and on the evening before the wedding they were rambling along the waters side together. But the man was false and loved another better than the woman whom he was about to wed. They were alone in an unfrequented country and the deceiver pushed the girl into the lake to get rid of her to marry his sweetheart. She lost her life but ever afterwards her Spirit troubled the neighbourhood and chiefly the scene of her murder. Sometimes she appeared as a ball of fire, rolling along the river Colwyn; at other times she appeared as a lady dressed in silk, taking a solitary walk along the banks of the river. At other times, groans and shrieks were heard coming out of the river, just such screams as would be uttered by a person who was being murdered. Sometimes a young maiden was seen emerging out of the waters, half naked, with dishevelled hair that covered her shoulders and the country resounded with her heart-rending crying as she appeared in the lake. The frequent crying of the Spirit gave to the lake its name, Llyn-Nâd-y-Forwyn (The Lake of Nad the Maid).

Find information on "The Spirit of Llyn Nad y Forwyn", and Ghosts, in Beddgelert Wales. Celtic and Welsh mythology and folklore in the Walesdirectory.co.uk.